Fix highlighting when theme namespaces are used inside `--value()` and `--modifier()`#1420

thecrypticace merged 4 commits intomaintailwindlabs/tailwindcss-intellisense:mainfrom

fix/syntax-utility-and-helper-with-vartailwindlabs/tailwindcss-intellisense:fix/syntax-utility-and-helper-with-varCopy head branch name to clipboard